<div dir="ltr">Right now we are using an Intel XEON and to be able to enable turbo boost we had to change a setting (Power performance tuning) in the BIOS sticking it to "OS control EPB". Is there something to do in the BIOS of EPYC?<div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Il giorno mar 26 apr 2022 alle ore 18:25 Antonio Di Bacco <<a href="mailto:a.dibacco.ks@gmail.com">a.dibacco.ks@gmail.com</a>> ha scritto:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">That's fantastic:<div><br></div><div># sudo cpupower -c 99 frequency-info info<br>analyzing CPU 99:<br> driver: acpi-cpufreq<br> CPUs which run at the same hardware frequency: 99<br> CPUs which need to have their frequency coordinated by software: 99<br> maximum transition latency: Cannot determine or is not supported.<br> hardware limits: 1.50 GHz - 3.72 GHz<br> available frequency steps: 2.00 GHz, 1.70 GHz, 1.50 GHz<br> available cpufreq governors: conservative ondemand userspace powersave performance schedutil<br> current policy: frequency should be within 1.50 GHz and 3.72 GHz.<br> The governor "userspace" may decide which speed to use<br> within this range.<br> current CPU frequency: 2.00 GHz (asserted by call to hardware)<br> boost state support:<br> Supported: yes<br> Active: yes<br> Boost States: 0<br> Total States: 3<br> Pstate-P0: 2000MHz<br> Pstate-P1: 1700MHz<br> Pstate-P2: 1500MHz<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Il giorno mar 26 apr 2022 alle ore 12:00 Tummala, Sivaprasad <<a href="mailto:Sivaprasad.Tummala@amd.com" target="_blank">Sivaprasad.Tummala@amd.com</a>> ha scritto:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> <div lang="EN-US"> <div> <p style="margin:0in"><span style="font-size:10pt;font-family:Arial,sans-serif;color:blue">[AMD Official Use Only - General]</span><u></u><u></u></p> <p class="MsoNormal"><u></u> <u></u></p> <p class="MsoNormal"><span style="font-size:9pt;font-family:Verdana,sans-serif">Hi Antonio, <u></u><u></u></span></p> <p class="MsoNormal"><span style="font-size:9pt;font-family:Verdana,sans-serif"><u></u> <u></u></span></p> <p class="MsoNormal"><span style="font-size:9pt;font-family:Verdana,sans-serif">We are looking into this. Could you please share the below info: <u></u><u></u></span></p> <p class="MsoNormal"><span style="font-size:9pt;font-family:Verdana,sans-serif"># cpupower -c <lcore> frequency-info info<u></u><u></u></span></p> <p class="MsoNormal"><span style="font-size:9pt;font-family:Verdana,sans-serif">analyzing CPU <lcore>:<u></u><u></u></span></p> <p class="MsoNormal"><span style="font-size:9pt;font-family:Verdana,sans-serif"> driver: acpi-cpufreq <u></u><u></u></span></p> <p class="MsoNormal"><span style="font-size:9pt;font-family:Verdana,sans-serif"><u></u> <u></u></span></p> <p class="MsoNormal"><span style="font-size:9pt;font-family:Verdana,sans-serif"><u></u> <u></u></span></p> <div style="border-top:none;border-right:none;border-bottom:none;border-left:1.5pt solid blue;padding:0in 0in 0in 4pt"> <div> <div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0in 0in"> <p class="MsoNormal"><b>From:</b> Antonio Di Bacco <<a href="mailto:a.dibacco.ks@gmail.com" target="_blank">a.dibacco.ks@gmail.com</a>> <br> <b>Sent:</b> Monday, April 25, 2022 10:43 PM<br> <b>To:</b> <a href="mailto:users@dpdk.org" target="_blank">users@dpdk.org</a><br> <b>Subject:</b> AMD EPYC 7713 64-Core: cannot enable turbo boost<u></u><u></u></p> </div> </div> <p class="MsoNormal"><u></u> <u></u></p> <p class="MsoNormal">[CAUTION: External Email] <u></u><u></u></p> <div> <div> <div> <p class="MsoNormal">Trying to enable turbo boost on EPYC 7713 with this APIS:<u></u><u></u></p> </div> <div> <p class="MsoNormal"><u></u> <u></u></p> </div> <div> <p class="MsoNormal"> rte_power_init(lcore)<br> rte_power_freq_enable_turbo(lcore)<br> rte_power_freq_max(lcore)<u></u><u></u></p> </div> <div> <p class="MsoNormal"><u></u> <u></u></p> </div> <div> <p class="MsoNormal"> I receive this messages:<u></u><u></u></p> </div> <div> <p class="MsoNormal"><u></u> <u></u></p> </div> <p class="MsoNormal">DPDK:POWER: Env isn't set yet!<br> DPDK:POWER: Attempting to initialise ACPI cpufreq power management...<br> DPDK:POWER: Power management governor of lcore 99 has been set to 'userspace' successfully<br> DPDK:POWER: Initialized successfully for lcore 99 power management<br> DPDK:POWER: Failed to enable turbo on lcore 99<u></u><u></u></p> </div> </div> </div> </div> </div> </blockquote></div> </blockquote></div>